/Engine/Plugins/Runtime/Metasound/Source/MetasoundEngine/Public/MetasoundBuilderSubsystem.h
Builder in charge of building a MetaSound Source
[UCLASS](Programming/UnrealArchitecture/Reference/Classes#classdeclaration)(Transient, BlueprintType) class UMetaSoundSourceBuilder : public [UMetaSoundBuilderBase](API\Plugins\MetasoundEngine\UMetaSoundBuilderBase)